public class HomeWorkDemo01 {
    public static void main(String[] args) {
        double count = 1;
        double allCount = 1;
        for (int i = 0; i < 63; i++) {
            count = count * 2;
            allCount += count;// 统计所有的米
        }
        System.out.println(allCount * 0.00000000000001);
    }

}
